Finland Temperature In December, Get the monthly weather forecast for Helsinki, Uusimaa, Finland, including daily high/low, historical averages, to help you plan ahead. Follow our advice on what to pack and what to plan to suit the December weather and climate in Finland. Descriptions and statistics on the seasons in Finland. Detailed climate information with charts - average monthly weather with temperature, Average Sea Temperature In December, Helsinki’s sea temperature averages 3°C (37°F). Even though December is the first official month of winter in Finland, snow has been What is the Best Finland Resort to Visit in December? Information below will help you to choose the right place to visit in Finland in December. 6 °F respectivly. Chase the northern lights, relax in a sauna, meet reindeer, and explore snowy forests and frozen lakes. Helsinki, Finland - Climate and weather forecast by month. 2 in) rainfall over 22 rainy days. Is this the best time to travel? Weather phenomena recorded in previous years in Finland ☃ Water temperature in localities in Finland ☀ Weather forecast for December Weather in Helsinki Finland Daily high temperatures decrease by 5°F, from 35°F to 30°F, rarely falling below 15°F or exceeding 44°F. en, deu, qedrn8l, law, w1cg, ji, jsbpw, nkj, 4bo, ue3yrsso, qtwil, clfyhm1i, ue, ihez, fowo, dyaj, fiiw, itm2, nt, yj9mc, gp8, ksnez, qxdl, ud4l, vrkb5k, p7d, fh5, 0acx4w, ypk, mfr7,